#40B04B#40B04B

#40B04B is a light, vivid green. Relative luminance 0.326; OKLCH L 67.1% C 0.173 H 145.0°. Best body text is #000000 at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#40B04B
RGB	rgb(64, 176, 75)
HSL	hsl(126, 47%, 47%)
HSV	hsv(126, 64%, 69%)
CMYK	cmyk(63.6%, 0%, 57.4%, 31%)
CIE-LAB	lab(63.87, -52.40, 41.93)
CIE-LCH	lch(63.87, 67.11, 141.33°)
OKLab	oklab(67.1% -0.1418 0.0995)
OKLCH	oklch(67.1% 0.173 145)
XYZ	xyz(18.9085, 32.6468, 11.9602)
Luminance	0.3265 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B04B #B040A5

analogous

#6DB040 #40B04B #40B083

triadic

#40B04B #4B40B0 #B04B40

tetradic

#40B04B #406DB0 #B040A5 #B08340

square

#40B04B #406DB0 #B040A5 #B08340

split-complementary

#40B04B #8340B0 #B0406D

monochromatic

#1F5625 #308338 #40B04B #66C76F #93D89A

Accessibility & contrast

On white

2.79

#40B04B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.53

#40B04B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B04B

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B04B	#FFFFFF	#000000	##000000
##40B04B	1.00	2.79	7.53	7.53
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.53	21.00	1.00	1.00
##000000	7.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3A141

Deuteranopia (green-blind)

#A59753

Tritanopia (blue-blind)

#25AC9A

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #40b04b;
/* rgb */ color: rgb(64, 176, 75);
/* oklch */ color: oklch(67.1% 0.173 145.0);

Tailwind

colors: {
  custom: {
    50: '#82c980',
    500: '#40b04b',
    950: '#000000',
  },
}

SCSS

$custom: #40b04b;
$custom-light: #82c980;
$custom-dark: #000000;

JSON

{
  "hex": "#40b04b",
  "rgb": {
    "r": 64,
    "g": 176,
    "b": 75
  },
  "hsl": {
    "h": 125.893,
    "s": 46.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.67103,
    "c": 0.17327,
    "h": 145
  },
  "luminance": 0.32649
}

Semantic roles & 50–950 ramp

primary

#40B04B

secondary

#C389BD

accent

#51C9D6

background

#F8FCF8

surface

#F0F8EF

border

#CBD1CA

text

#0B130A

muted

#7C827C

Preview Lab

Preview with #40B04B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →